Test website speed on real browsers & devices
SpeedLab scores your website on important performance metrics so you can optimize your page speed to deliver the best user experience.
How popular websites rank
Optimize website speed for every user
Real browsers & devices
Measure website speed on a mix of real Android, iOS devices, and latest desktop browsers for unparalleled accuracy.
Actionable insights
Debug and fix performance bottlenecks with Navigation timing stats, HAR logs, CPU processing stats, and page resource summary.
User-centric performance metrics
Benchmark using metrics like FCP, Speed Index, and Visually complete to measure how a user perceives performance.
Meet team specific website goals
For developer teams
Test in real-world conditions to measure actual user experience, debug bottlenecks and improve performance.
For product & marketing teams
Benchmark against competitors and understand how a slow web page can impact SEO, conversion, and bounce rates.
